C3123121111331312121111331333133313231333132331211113313221333221221   >>    C312312111133131212111133133313331323133313233121111331322133322122   <<    C3123121111331312121111331333133313231333132331211113313221333221223   >>      C3123121111331312121111331333133313231333132331211113313221333221222   >>